Update CHANGELOG.

Author: sandeep-ps

CHANGELOG.md

@@ -11,6 +11,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fire Analytics events in Pending Family Members popup.
 - Added terms and conditions to Pending Family Members popup [#557](https://github.com/rokwire/safer-illinois-app/issues/557).
 
+### Changed
+- Minor text changes in Pending Family Members popup.
+
 ## [2.9.17] - 2021-03-04
 ### Added
 - Added email or phone in Family Members list entry [#549](https://github.com/rokwire/safer-illinois-app/issues/549).